Reaction catalyzed by cholestanetriol 26-monooxygenase (1.14.15.15)
+
6
reduced adrenodoxin
+
6
+
3
=
+
6
+
4
H2O
5beta-cholestane-3alpha,7alpha,12alpha-triol
+
6 reduced adrenodoxin
+
6 H+
+
3 O2
=
(25R)-3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-oate
+
6 oxidized adrenodoxin
+
4 H2O